题目内容
Our Earth is a blue planet. About 71 percent of the planet is water, but people can only use a small amount of it. Only about 3 percent of the world's water is fresh water. It's in lakes, rivers and underground. According to the UN, wastewater problems make water shortages (短缺) even more serious. Our homes, cities and factories make wastewater every day. It pollutes rivers and lakes.
People from different countries have their own tips for saving water.
In Australia most people have a grass lawn (草坪) around their home. They wash their cars on the lawn. The water will go to the grass!
People in Germany collect rainwater to save water. Most new houses have a rainwater collection device (设备). The device collects rainwater from the roof (屋顶), and then sends it to the toilet. If you don't have the device, just put a bucket (桶) under your roof.
1.Only 3 percent of the world's water is ________.
A.seawater B.fresh water C.rainwater D.wastewater
2.Fresh water is in _______
A.lakes B.rivers C.underground D.A, B and C
3.The underlined word it refers to (指的是) ________.
A.the factory B.our home C.the city D.wastewater
4.The underlined word tips probably means ________.
A.notes B.rules C.ways D.problems
5.Why do people in Germany collect rainwater with the device? They want to ________.
A.clean the toilet B.drink it C.wash their cars D.sell it
6.According to the passage, which of the following is NOT TRUE?
A.People can find fresh water in lakes, rivers and underground.
B.Nobody wants to wash their cars on the lawns to save water in Australia.
C.Most new houses in Germany have a rainwater collection device.
D.People can also use a bucket to collect rainwater under the roof in Germany.
